You can download the data that we have used in our JCMS publication here: EU-Index.xlsx You can find the data of the EU-25-Index (updated to 2012) here: EU-25 Index Indicators used in the EU-Index: Single Market EU openness Trade in goods Trade in services Capital movement Labor migration EU importance Trade in goods Trade in …

The indicators and subindixes of the eu-index have been statistically calculated with aid of the Principal Component Analysis (PCA). The certain weightings can be found here: Weightings. The exact procedure for calculating the weighting is described in: König, J. und Ohr, R. (2013). Different Efforts in European Economic Integration: Implications of the EU Index. Journal …